119 lines
3.0 KiB
C++
119 lines
3.0 KiB
C++
#ifndef TYCHE_INSTRUCTION_HH
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#define TYCHE_INSTRUCTION_HH
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <utility>
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#include "../bytecode/bytecode.hh"
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namespace tyche::vm {
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constexpr uint8_t OPCODE_NEXT_SIZE = 0x20;
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enum class Instruction : uint8_t {
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// stack operations
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PushInt8 = 0xa0,
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PushInt16 = 0xc0,
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PushInt32 = 0xe0,
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PushConstant8 = 0xa1,
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PushConstant16 = 0xc1,
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PushConstant32 = 0xe1,
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PushFunction8 = 0xa2,
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PushFunction16 = 0xc2,
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PushFunction32 = 0xe2,
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PushZero = 0x00,
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PushTrue = 0x01,
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NewArray = 0x02,
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NewTable = 0x03,
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Pop = 0x04,
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Duplicate = 0x05,
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// local variables
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SetLocal8 = 0xa3,
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SetLocal16 = 0xc3,
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SetLocal32 = 0xe3,
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GetLocal8 = 0xa4,
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GetLocal16 = 0xc4,
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GetLocal32 = 0xe4,
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SetGlobal8 = 0xa5,
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SetGlobal16 = 0xc5,
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SetGlobal32 = 0xe5,
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GetGlobal8 = 0xa6,
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GetGlobal16 = 0xc6,
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GetGlobal32 = 0xe6,
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// function operations
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Call8 = 0xa7,
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Call16 = 0xc7,
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Call32 = 0xe7,
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Return = 0x10,
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ReturnNil = 0x11,
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// table and array operations
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GetKeyValue = 0x16,
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SetKeyValue = 0x17,
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GetArrayItem = 0x18,
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SetArrayItem = 0x19,
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Append = 0x1a,
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Next = 0x1b,
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SetMetatable = 0x1c,
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GetMetatable = 0x1d,
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// logical/arithmetic
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Sum = 0x20,
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Subtract = 0x21,
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Multiply = 0x22,
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Divide = 0x23,
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DivideInt = 0x24,
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Equals = 0x25,
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NotEquals = 0x26,
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LessThan = 0x27,
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LessThanEq = 0x28,
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GreaterThan = 0x29,
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GreaterThanEq = 0x2a,
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And = 0x2b,
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Or = 0x2c,
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Xor = 0x2d,
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Power = 0x2e,
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ShiftLeft = 0x2f,
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ShiftRight = 0x30,
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Modulo = 0x31,
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// other value operations
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Len = 0x40,
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Type = 0x41,
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Cast = 0x42,
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Version = 0x43,
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// control flow
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BranchIfZero8 = 0xa8,
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BranchIfZero16 = 0xc8,
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BranchIfZero32 = 0xe8,
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BranchIfNotZero8 = 0xa9,
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BranchIfNotZero16 = 0xc9,
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BranchIfNotZero32 = 0xe9,
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Jump8 = 0xaa,
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Jump16 = 0xca,
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Jump32 = 0xea,
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// external code
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Compile = 0x48,
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Assemble = 0x49,
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Load = 0x4a,
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};
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std::pair<std::string, size_t> debug_instruction(Instruction inst, int oper=0);
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std::pair<std::string, size_t> debug_instruction(bc::Bytecode const& bt, uint32_t function_id, uint32_t addr);
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enum class OperandType { NoOperand, Int8, Int16, Int32 };
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OperandType instruction_operand_type(Instruction instruction);
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std::optional<Instruction> translate_instruction(std::string const& txt, std::optional<int> op);
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}
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#endif //TYCHE_INSTRUCTION_HH
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